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| Criterion |  DevOps Blameless Postmortem |  Operations Getting Things Done |  Operations ALPEN Method |  Operations Learning Review |
|---|---|---|---|---|
Purposedifferent | After an incident with damage or a near miss, the method creates a sober field for learning without assigning blame. It directs attention to the course of events, conditions, and effective countermeasures. | With many open commitments and ideas in daily life, a reliable external storage system emerges. The method relieves the mind so priority and context don't have to compete in memory. | With an overloaded day full of too many tasks, a realistic picture of the day emerges. The method connects estimating, deciding, and buffer thinking so planning fits available energy and time. | After a project phase with mixed results, the method makes learning from the individual case reusable. It connects events, decisions, and systemic conditions into robust insights. |
Complexitydifferent | Medium | Medium | Low | Medium |
Timedifferent | 30-90 min | 1-2 h Setup, laufend | 10-20 min daily | 1-3 h |
Participantsdifferent | 3-12 | 1 | 1 | 3-10 |
Formatdifferent | Workshop + async | Async | Async | Workshop |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Action Lists, Project List, Review Routine | Daily Plan, Time Estimates, Review Notes | Learning Review Notes, System Factors, Improvement Actions |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | ProductivityPlanningTasksExecution | PlanningTime managementProductivityOperations | LearningRetrospectiveIncidentOperations |